/*
 * Copyright (c) 2021, 2022 Oracle and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.helidon.microprofile.restclient;

import java.util.List;
import java.util.Map;

import io.helidon.common.context.Contexts;

import org.glassfish.jersey.microprofile.restclient.InboundHeadersProvider;

/**
 * Provider which propagates inbound request headers via Helidon {@link io.helidon.common.context.Context}.
 */
class HelidonInboundHeaderProvider implements InboundHeadersProvider {

    @Override
    public Map<String, List<String>> inboundHeaders() {
        return Contexts.context()
                .flatMap(context -> context.get(InboundHeaders.class))
                .map(InboundHeaders::getInboundHeaders)
                .orElse(Map.of());
    }

}
